CN218509446U - Stone fishing device of drilling machine - Google Patents
Stone fishing device of drilling machine Download PDFInfo
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- CN218509446U CN218509446U CN202222363068.9U CN202222363068U CN218509446U CN 218509446 U CN218509446 U CN 218509446U CN 202222363068 U CN202222363068 U CN 202222363068U CN 218509446 U CN218509446 U CN 218509446U
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Abstract
The utility model discloses a stone fishing device of rig relates to engineering construction technical field, and the device includes: the fishing device comprises a fishing barrel, a lower layer steel bar mesh arranged in the fishing barrel and positioned at the bottom of the fishing barrel, and an upper layer steel bar mesh arranged in the fishing barrel and positioned above the lower layer steel bar mesh; the lower layer reinforcing mesh consists of a plurality of lower layer reinforcing steel bars, the whole body in the fishing cylinder is in a spiral inverted cone shape, the cone top faces the top of the fishing cylinder, and the cone top is open; the upper layer reinforcing mesh consists of a plurality of upper layer reinforcing bars, the upper layer reinforcing bars are distributed on the cross section of the fishing cylinder in a crossed manner, the mesh gap size of the upper layer reinforcing mesh is smaller than the opening size of the lower layer reinforcing mesh, and the mesh gap size at the center of the upper layer reinforcing mesh is larger than the mesh gap size at the edge of the upper layer reinforcing mesh. The utility model discloses use a socket to clear up the stone that will hinder the tunnelling, can fish out great stone through lower floor's reinforcing bar net, can fish out less stone through upper reinforcing bar net again.
Description
Technical Field
The utility model belongs to the technical field of the engineering construction technique and specifically relates to a stone fishing device of rig.
Background
In the current stage of cast-in-place pile drilling construction process, manual excavation pore-forming is not commonly used due to the existence of serious safety risks, and mainly adopts mechanical drilling. The construction method adopted by mechanical drilling mainly comprises the steps of percussion drilling and impact hole forming, drilling and hole forming by a reverse circulation drilling machine, rotary drilling and hole forming and manual drilling and hole forming. The impact drill is low in price and high in applicability, but cannot be used for avoiding impact vibration to influence the safety of an existing structure when the cast-in-situ bored pile is constructed near the existing structure. The rotary drilling rig is large in size and high in cost, has high requirements for an access line and an operation platform, and cannot be used in cast-in-situ bored piles with small mountainous roads and fields. The reverse circulation drilling machine has the advantages of small occupied area, flexible movement, strong adaptability to fields and traffic conditions and unique superiority.
When building bricks or other stones exist in the stratum, the pile foundation is difficult to drill when encountering stones in the drilling process, and the impeller of the vacuum pump of the reverse circulation drilling machine is easy to block. And when the volume of the building brick or block part is too large, the building brick or block part cannot be pumped and discharged through the drill rod and the pump pipe, so that the drill is stuck, the drill bit falls into the hole, or the motor of the vacuum pump is burnt out and other serious mechanical faults are caused. After the drill bit tunneled longer distance, can accumulate the broken stone piece that is produced by the drill bit breakage in the drilling, lead to the drill bit further to tunnel obstructed, drilling speed slows down, and drill bit wearing and tearing aggravation simultaneously.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect among the above-mentioned prior art, the utility model provides a stone fishing device of rig solves among the prior art in the drilling accumulation rubble piece lead to the drill bit further to tunnel obstructed problem.
In order to achieve the above object, the utility model adopts the following technical scheme, include:
a rock fishing apparatus for a drilling rig comprising: the fishing device comprises a fishing barrel, a lower layer reinforcing mesh arranged in the fishing barrel and positioned at the bottom of the fishing barrel, and an upper layer reinforcing mesh arranged in the fishing barrel and positioned above the lower layer reinforcing mesh.
Preferably, the lower layer reinforcing mesh consists of a plurality of lower layer reinforcing steel bars; one end of the lower layer of steel bars is connected with the inner wall of the fishing cylinder, the lower layer of steel bars extends along the direction which forms a certain included angle with the axial direction of the fishing cylinder, the plurality of lower layer of steel bars are integrally in an inverted cone shape in the fishing cylinder, and the conical tops face the top of the fishing cylinder; and the other ends of the lower layers of steel bars form an opening in the fishing cylinder, namely the conical top is open.
Preferably, the extending direction of the lower layer steel bars forms a certain included angle with the tangential direction of the fishing cylinder, and the lower layer steel bars are integrally in a spiral inverted cone shape in the fishing cylinder.
Preferably, the lower layer steel bar and the axial direction of the fishing barrel form an included angle of 60 degrees, and the lower layer steel bar and the tangential direction of the fishing barrel form an included angle of 65 degrees.
Preferably, the inner wall of the fishing cylinder is provided with a plurality of steel bar sleeves, and one end of the lower layer of steel bars is connected with the steel bar sleeves on the inner wall of the fishing cylinder.
Preferably, the mesh gap size of the upper layer reinforcing mesh is smaller than the opening size of the lower layer reinforcing mesh.
Preferably, the upper reinforcing mesh consists of a plurality of upper reinforcing bars, the upper reinforcing bars are distributed on the cross section of the fishing cylinder in a crossed manner, and the size of a mesh gap at the center of the upper reinforcing mesh is larger than that at the edge of the upper reinforcing mesh.
Preferably, the sidewall of the overshot is provided with an upper slag outlet, and the upper slag outlet is positioned above the upper reinforcing mesh and used for taking out stones held by the upper reinforcing mesh.
Preferably, the side wall of the fishing barrel is provided with a plurality of through holes.
Preferably, the bottom edge of the fishing barrel is provided with a conical nail, and the nail tip faces the drilling direction.
The utility model has the advantages that:
(1) The utility model discloses a stone fishing device can solve among the prior art in the drilling accumulation rubble block lead to the drill bit further to tunnel obstructed problem, uses the bailer can in time clear up the stone that hinders the tunnelling, avoids the rubble block to pile up along with the tunnelling process is constantly at the lower floor soil body, has also saved follow-up drilling process that lasts the destructiveness to the rubble block.
(2) When the fishing cylinder drills downwards, stones in the fishing cylinder are screwed into the lower layer reinforcing mesh through the opening of the lower layer reinforcing mesh, the lower layer reinforcing mesh can hold the stones entering the lower layer reinforcing mesh, and the diameter of the opening is the maximum allowable diameter of the stones to be fished. In addition, when the bailer creeps downwards, the small stone blocks screwed in from the opening of the lower layer steel bar net are screwed into the upper layer steel bar net through the net gaps in the center of the upper layer steel bar net, and under the rotating action of the bailer, the small stone blocks fall to the edge of the upper layer steel bar net and are held by the upper layer steel bar at the edge, so that the small stone blocks can be prevented from leaking from the lower part steel bar net. The utility model discloses can fish out great stone through lower floor's reinforcing bar net, can fish out less stone through upper reinforcing bar net again.
(3) The lower floor's reinforcing bar is connected with the inner wall of bailing through steel bar sleeve, and the section of thick bamboo wall that the tip of lower floor's reinforcing bar penetrated into the bailing inlays admittedly in steel bar sleeve, has avoided the splice pressure of lower floor's reinforcing bar and section of thick bamboo wall to concentrate for the lower floor's reinforcing bar is more firm with being connected of section of thick bamboo wall, provides sufficient bearing capacity for the precession of lower floor's reinforcing bar net at the soil layer.
(4) The side wall of the fishing cylinder is provided with a through hole for timely discharging air, muddy water and slurry which are extruded into the upper part of the fishing cylinder 1 in the drilling process, and ensuring that the water pressure and the air pressure in the fishing cylinder are balanced with the outside.
(5) The bottom edge of the fishing cylinder is provided with the conical nail, so that the speed of the fishing cylinder screwing into the soil layer and the soft rock stratum can be increased.
(6) The utility model discloses a stone fishing device strong adaptability can change the embedded bar diameter and the density degree that is the lower floor's reinforcing bar net of heliciform back taper of a bailer to different engineering to and change the bar diameter and the density degree of the embedded upper reinforcing bar net that distributes on the cross section of a bailer, with the engineering problem of solving different areas.
Drawings
Fig. 1 is the whole schematic view of the rock fishing device of the utility model.
Fig. 2 is a schematic view of the lower layer reinforcing mesh of the rock fishing device of the present invention.
Fig. 3 is a schematic view of the upper reinforcing mesh of the rock fishing device of the present invention.
Fig. 4 is the utility model discloses a steel sleeve schematic diagram.
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.
As shown in fig. 1, a rock fishing device for a drilling machine includes: the fishing cylinder 1 comprises a lower layer reinforcing mesh 2, an upper layer reinforcing mesh 3, a lower layer slag outlet 4, an upper layer slag outlet 5, a through hole 7 and a conical nail 8.
The fishing cylinder 1 and the upper reverse circulation drilling machine can be mounted and dismounted, and the drilling machine drives the fishing cylinder 1 to rotate so as to provide power for rotary drilling for the fishing cylinder 1.
As shown in fig. 2, the lower mesh reinforcement 2 is disposed in the canister 1 and at the bottom of the canister 1. The lower layer reinforcing mesh 2 consists of a plurality of lower layer reinforcing steel bars 21 which are distributed in the fishing cylinder 1 at equal intervals; one end of the lower layer steel bar 21 is connected with the inner wall of the fishing cylinder 1, the lower layer steel bar 21 forms an included angle of about 60 degrees with the axial direction of the fishing cylinder 1, the lower layer steel bar 21 forms an included angle of about 65 degrees with the tangential direction of the fishing cylinder 1, the plurality of lower layer steel bars 21 are integrally in a spiral inverted cone shape in the fishing cylinder 1, and the cone top faces to the top of the fishing cylinder 1; the other ends of the lower steel bars 21 form an opening, namely the conical top is an opening, and the diameter of the opening is the maximum allowable diameter of the salvaged stone.
When the fishing cylinder 1 drills downwards, stones in the fishing cylinder 1 are screwed into the lower layer steel bar mesh 2 through the opening of the lower layer steel bar mesh 2, and the stones screwed into the lower layer steel bar mesh 2 are caught by the lower layer steel bar 21.
As shown in fig. 3, the upper mesh reinforcement 3 is disposed in the canister 1 above the lower mesh reinforcement 2. The upper layer reinforcing mesh 3 is composed of a plurality of upper layer reinforcing bars 31, the plurality of upper layer reinforcing bars 31 are distributed on the cross section of the fishing cylinder 1 in a crossing way, the mesh gap size of the upper layer reinforcing mesh 3 is smaller than the opening size of the lower layer reinforcing mesh 2, and the mesh gap size at the center of the upper layer reinforcing mesh 3 is larger than the mesh gap size at the edge of the upper layer reinforcing mesh 3. Two ends of the upper layer steel bar 31 can be directly connected with the inner wall of the fishing cylinder 1; the upper layer steel bar 31 can also be connected with the inner wall of the fishing cylinder 1 at one end and connected with other upper layer steel bars 31 at the other end.
Or, the upper reinforcing mesh 3 is detachably arranged in the bailer 1, the upper reinforcing mesh 3 comprises a plurality of upper reinforcing bars 31 and a fixing ring for fixing the plurality of upper reinforcing bars 31, and a boss structure for fixing the upper reinforcing mesh 3 is arranged on the inner wall of the bailer 1.
When the fishing socket 1 drills downwards, under the rotating action of the fishing socket 1, small stones which are screwed in from the opening of the lower steel bar mesh 2 are screwed in the upper steel bar mesh 3 through the mesh gap at the center of the upper steel bar mesh 3, and under the rotating action of the fishing socket 1, the small stones fall to the edge of the upper steel bar mesh 3 and are caught by the upper steel bar 31 at the edge, so that the small stones can be prevented from leaking from the lower steel bar mesh 2. The mesh gap refers to a gap formed between reinforcing steel bars or between the reinforcing steel bars and the wall of the cylinder.
As shown in fig. 1, the lower slag hole 4 and the upper slag hole 5 are both disposed on the sidewall of the canister 1, the lower slag hole 4 is located between the upper mesh reinforcement 3 and the lower mesh reinforcement 2 for checking and taking out part of the stones held by the lower mesh reinforcement 2, the stones held by the lower mesh reinforcement 2 are larger stones, and the stones held by the lower mesh reinforcement 2 can be taken out by pulling the lower mesh reinforcement 21; the upper slag outlet 5 is positioned above the upper reinforcing mesh 3 and used for taking out stones held by the upper reinforcing mesh 3. If the lower layer slag hole 4 and the upper layer slag hole 5 are not designed with sealing covers, the lower layer slag hole 4 and the upper layer slag hole 5 are not suitable to be arranged with overlarge areas. Or, the sealing covers are designed at the lower-layer slag outlet 4 and the upper-layer slag outlet 5, so that the areas of the lower-layer slag outlet 4 and the upper-layer slag outlet 5 can be properly increased.
As shown in the figure 1, the through hole 7 is arranged on the side wall of the overshot 1 and is close to the top of the overshot 1, and the through hole 7 is used for timely discharging air, muddy water and slurry which are extruded into the upper part of the overshot 1 in the drilling process, so that the balance between the water pressure and the air pressure in the overshot 1 and the outside is ensured.
As shown in fig. 1, the conical nail 8 is disposed on the bottom edge of the overshot 1, and the nail tip faces the drilling direction, so as to accelerate the overshot 1 to be screwed into the soil layer and the soft rock layer.
As shown in fig. 4, the inner wall of the overshot 1 is further provided with a plurality of steel bar sleeves 6, and the lower layer steel bars 21 are connected with the inner wall of the overshot 1 through the steel bar sleeves 6. The end part of the lower layer steel bar 21 penetrates into the cylinder wall of the fishing cylinder 1 and is embedded in the steel bar sleeve 6, and the end parts of the steel bar sleeve 6 and the lower layer steel bar 21 are welded with the cylinder wall of the fishing cylinder 1. The reinforcing steel bar sleeve 6 avoids the pressure concentration at the welding position of the lower layer reinforcing steel bar 21 and the cylinder wall, so that the connection of the lower layer reinforcing steel bar 21 and the cylinder wall is firmer, and enough bearing capacity is provided for the precession of the lower layer reinforcing steel bar net 2 in the soil layer.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. A rock fishing apparatus for a drilling rig, comprising: the fishing rod comprises a fishing cylinder (1), a lower layer reinforcing mesh (2) which is arranged in the fishing cylinder (1) and is positioned at the bottom of the fishing cylinder (1), and an upper layer reinforcing mesh (3) which is arranged in the fishing cylinder (1) and is positioned above the lower layer reinforcing mesh (2).
2. A rock fishing device for drilling rigs, according to claim 1, characterized in that the lower mesh reinforcement (2) consists of several lower steel reinforcements (21); one end of the lower layer steel bar (21) is connected with the inner wall of the fishing cylinder (1), the lower layer steel bar (21) extends along the direction which forms a certain included angle with the axial direction of the fishing cylinder (1), the lower layer steel bars (21) are integrally inverted conical in the fishing cylinder (1), and the conical top faces to the top of the fishing cylinder (1); and the other ends of the lower layer steel bars (21) form an opening in the fishing barrel (1), namely the conical top is open.
3. A rock fishing device for a drilling rig according to claim 2, characterized in that the extension direction of the lower layer of reinforcement bars (21) is also at an angle to the tangential direction of the overshot (1), i.e. the plurality of lower layer of reinforcement bars (21) are in a helical reverse taper shape in the overshot (1) as a whole.
4. Rock fishing device for drilling rigs, according to claim 3, characterised in that the lower layer of reinforcement bars (21) is angled at 60 ° to the axial direction of the canister (1) and the lower layer of reinforcement bars (21) is angled at 65 ° to the tangential direction of the canister (1).
5. The rock fishing device of a drilling machine according to claim 2 or 3, characterized in that a plurality of steel bar sleeves (6) are arranged on the inner wall of the fishing barrel (1), and one end of the lower layer of steel bars (21) is connected with the steel bar sleeves (6) on the inner wall of the fishing barrel (1).
6. A rock fishing device for a drilling rig according to claim 2 or 3, characterised in that the mesh size of the upper mesh reinforcement (3) is smaller than the opening size of the lower mesh reinforcement (2).
7. A rock fishing device for a drilling rig according to claim 6, characterised in that the upper mesh reinforcement (3) consists of several upper reinforcing rods (31), which several upper reinforcing rods (31) are distributed across the cross-section of the fishing vessel (1), and that the mesh gap size at the centre of the upper mesh reinforcement (3) is larger than the mesh gap size at the edge of the upper mesh reinforcement (3).
8. A rock fishing device for drilling machine according to claim 1, characterized in that the side wall of the fishing vessel (1) is provided with an upper slag outlet (5), the upper slag outlet (5) is located above the upper mesh reinforcement (3) for taking out the rock held by the upper mesh reinforcement (3).
9. A rock fishing device for drilling machine according to claim 1, characterized in that the side wall of the fishing barrel (1) is provided with a plurality of through holes (7).
10. Rock fishing device for drilling rigs, according to claim 1, characterised in that the bottom edge of the canister (1) is provided with a conical spike (8) with the spike tip facing in the drilling direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222363068.9U CN218509446U (en) | 2022-09-06 | 2022-09-06 | Stone fishing device of drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222363068.9U CN218509446U (en) | 2022-09-06 | 2022-09-06 | Stone fishing device of drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218509446U true CN218509446U (en) | 2023-02-21 |
Family
ID=85210273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222363068.9U Active CN218509446U (en) | 2022-09-06 | 2022-09-06 | Stone fishing device of drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218509446U (en) |
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2022
- 2022-09-06 CN CN202222363068.9U patent/CN218509446U/en active Active
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