CN210888805U - A reaming instrument for drill bit well falling is salvaged - Google Patents
A reaming instrument for drill bit well falling is salvaged Download PDFInfo
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- CN210888805U CN210888805U CN201922028445.1U CN201922028445U CN210888805U CN 210888805 U CN210888805 U CN 210888805U CN 201922028445 U CN201922028445 U CN 201922028445U CN 210888805 U CN210888805 U CN 210888805U
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- drill bit
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Abstract
The utility model discloses a reaming instrument for drill bit well falling is salvaged, include the weight bar and fix the reaming board in the weight bar bottom, wherein: a connecting rod is fixed at one end of the counterweight rod, which is far away from the hole expanding plate, and a hanging ring is arranged at one end of the connecting rod, which is far away from the counterweight rod; the clamping groove is formed in one end, connected with the reaming plate, of the balance weight rod, and the top of the reaming plate is clamped in the clamping groove. The method has the advantages that the inner diameter of the well wall is enlarged by repeatedly impacting the expanded hole plate around the hammer head, so that the hammer head is separated from the rock stratum of the stuck drill, and the effect of fishing the hammer is achieved; the contact area between the counterweight rod and the hole expanding plate is increased through the clamping groove, so that the connection strength between the counterweight rod and the hole expanding plate is increased; through set up the strengthening rib on the reaming board, the strengthening rib can increase the intensity of reaming board, reduces the reaming board at the reaming in-process, leads to the phenomenon that the reaming board takes place to deform because of assaulting the great rock stratum of hardness.
Description
Technical Field
The utility model belongs to the technical field of the drill bit is salvaged in the pit, a reaming instrument that is used for drill bit well falling to salvage is related to.
Background
In the foundation construction process of building engineering such as bridge, house, often can use the bored concrete pile, the bored concrete pile includes rig and tup (drill bit), in bored concrete pile drilling work progress, utilizes rig drive tup constantly to strike and punches.
However, in practical use, because the rock stratum is generally drilled by the hammer head impact hole, when the hammer head enters the hole, the wheel angle of the hammer bottom is better, and when the rock stratum is impacted for a long time, the wheel angles around the hammer head are easily abraded, so that the hammer clamping phenomenon is easily caused; when the hammer is jammed, no slag is formed at the bottom of a hole, when a safety belt and a square hole of the hammer can be fished, and when external force is increased and the hammer cannot be lifted, a corresponding fishing tool is not available at present to assist in fishing out the hammer head, and the method is commonly used at present: the diver eliminates the reason of the drill sticking after manual exploration and carries out salvage, but the method has poor operation condition and large safety risk. The hammer head can not be salvaged, so that the hammer head can not be taken out and scrapped, the design can be changed due to scrapping of the pile foundation, the construction period is delayed, and the economic loss is very large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a reaming instrument that is used for drill bit well falling to salvage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a reaming instrument for drill bit well falling is salvaged, includes the weight pole and fixes the reaming board in the weight pole bottom, wherein:
a connecting rod is fixed at one end of the counterweight rod, which is far away from the hole expanding plate, and a hanging ring is arranged at one end of the connecting rod, which is far away from the counterweight rod;
a clamping groove is formed in one end, connected with the reaming plate, of the balance weight rod, and the top of the reaming plate is clamped in the clamping groove.
Furthermore, reinforcing ribs are symmetrically welded on the surface of one side of the reaming plate.
Furthermore, two lifting lugs are fixed on the top of the orifice plate in a welding or integrated forming mode and are symmetrically arranged.
Furthermore, a rope is connected to the lifting lug, and the other end of the rope is fixed to the lifting ring.
Furthermore, the orifice plate is fixedly connected with the counterweight rod in a bolt connection or welding mode.
Further, the length of the counterweight rod is 3-5 meters, and the weight of the counterweight rod is more than or equal to 1 ton.
Furthermore, the counterweight rod is of a round steel structure, and the diameter of the counterweight rod is 16-20 cm.
Further, the hole expansion plate is an iron plate, and the thickness of the hole expansion plate is 3-5 cm.
Further, the width of the clamping groove is equal to the thickness of the hole expanding plate.
The utility model relates to a reaming tool for fishing when a drill bit falls into a well, which repeatedly impacts around a hammer head by utilizing a reaming plate to enlarge the inner diameter of a well wall and separate the hammer head from a rock stratum of a stuck drill, thereby achieving the effect of fishing a hammer;
according to the hole expanding plate, the clamping grooves are arranged, the hole expanding plate is clamped in the clamping grooves and then fixedly connected in a bolt or welding mode, and the clamping grooves increase the contact area between the weight rod and the hole expanding plate, so that the connection strength between the weight rod and the hole expanding plate is increased;
the reinforcing ribs are arranged on the hole expanding plate, so that the strength of the hole expanding plate can be increased, and the phenomenon that the hole expanding plate is deformed due to the fact that the hole expanding plate impacts a rock stratum with high hardness in the hole expanding process is reduced;
this application is through setting up the lug on the reaming board to adopt rope connection lug and rings, when the reaming board is in the use, because of structural strength or other problems lead to the reaming board fracture or when droing, the reaming board that the rope can avoid fracture or drop falls in the well opening, thereby influences the salvage of tup.
Drawings
Fig. 1 is a schematic overall front view of a reaming tool for fishing a drill bit in a well according to the present invention;
fig. 2 is a schematic back structural view of a reaming tool for fishing a drill bit in a well according to the present invention;
fig. 3 is a schematic structural view of a counterweight rod of a reaming tool for fishing a drill bit in a well;
fig. 4 is a schematic diagram of a reaming plate structure of a reaming tool for fishing a drill bit in a well.
In the figure: 1. a hoisting ring; 2. a connecting rod; 3. a weight lever; 4. expanding the hole plate; 5. reinforcing ribs; 6. lifting lugs; 7. a rope; 8. a clamping groove.
Detailed Description
The following description further describes a specific embodiment of the reaming tool for fishing a drill bit in a well with reference to fig. 1 to 4. The above-mentioned descriptions of the upper, lower, front, rear, top, bottom, etc. with respect to the orientation are not intended to limit the specific structure or usage of the present invention, but only to describe the relative position relationship for convenience of description. Specifically, the end where the lifting ring is located after the device is assembled is the upper end, and the end where the hole expansion plate is located is the lower end. The utility model relates to a reaming instrument for drill bit well fall is salvaged is not limited to the description of following embodiment.
As shown in fig. 1-4, a specific structure of a reaming tool for fishing a drill bit in a well is provided, which comprises a weight rod 3 and a reaming plate 4 fixed at the bottom of the weight rod 3, wherein:
a connecting rod 2 is fixed at one end of the counterweight rod 3 far away from the orifice plate 4, and a hanging ring 1 is arranged at one end of the connecting rod 2 far away from the counterweight rod 3;
a clamping groove 8 is formed in one end, connected with the hole expansion plate 4, of the balance weight rod 3, and the top of the hole expansion plate 4 is clamped in the clamping groove 8.
As shown in fig. 1 to 3, the length of the weight rod 3 is 3 to 5 meters, the weight of the weight rod 3 is greater than or equal to 1 ton, and the weight rod 3 has a large weight, so as to provide a downward impact force for the reaming tool.
As shown in fig. 1 to 3, the weight rod 3 is of a round steel structure, and the diameter of the weight rod 3 is 16 to 20 cm.
As shown in fig. 1, 2 and 4, the orifice plate 4 is an iron plate, and the thickness of the orifice plate 4 is 3-5 cm.
As shown in fig. 1-4, the width of the clamping groove 8 is equal to the thickness of the hole enlarging plate 4, the hole enlarging plate 4 can be just clamped in the clamping groove 8, and then the hole enlarging plate 4 is fixedly connected with the counterweight rod 3 in a bolt connection or welding manner.
By adopting the technical scheme, the inner diameter of the well wall is expanded by repeatedly impacting the periphery of the hammer head through the hole expansion plate 4, so that the hammer head is separated from the rock stratum of the drill block, and the effect of fishing the hammer is achieved; adopt this kind of reaming instrument to carry out reaming and salvage, can reduce and use diver's dive work, and then reduce diver's safe risk, also be favorable to reducing economic loss simultaneously.
This application is through the setting of draw-in groove 8, recycles bolt or welded mode behind the counter weight plate 4 card in draw-in groove 8 and carries out fixed connection, and draw-in groove 8 has increased the area of contact between weight rod 3 and the counter weight plate 4 to be favorable to increasing the joint strength between weight rod 3 and the counter weight plate 4.
As shown in fig. 2 and 4, the reinforcing ribs 5 are symmetrically welded on one side surface of the orifice plate 4.
Through adopting above-mentioned technical scheme, this application is through setting up strengthening rib 5 on reaming board 4, and strengthening rib 5 can increase the intensity of reaming board 4, reduces reaming board 4 at the reaming in-process, leads to the phenomenon that reaming board 4 takes place deformation because of assaulting the great rock stratum of hardness.
As shown in fig. 1, 2, and 4, two lifting lugs 6 are fixed on the top of the orifice plate 4 by welding or integral molding, and the two lifting lugs 6 are symmetrically arranged.
As shown in fig. 1, a rope 7 is connected to the lifting lug 6, and the other end of the rope 7 is fixed to the lifting ring 1.
By adopting the technical scheme, the lifting lugs 6 are arranged on the reaming plate 4, and the ropes 7 are adopted to connect the lifting lugs 6 and the lifting rings 1, so that when the reaming plate 4 is broken or falls off due to structural strength or other problems in the use process of the reaming plate 4, the ropes 7 can prevent the broken or fallen reaming plate 4 from falling into a well hole, and fishing of the hammer head is influenced; when reaming board 4 breaks or drops at impact reaming in-process, because rope 7 still is connected with reaming board 4, reaming board 4 can not drop in the well bore, and rope 7 also can not cause the hindrance to the impact reaming work of reaming instrument moreover.
It should be noted that the utility model relates to a reaming tool for fishing when a drill bit falls into a well, no slag is formed at the bottom of a hole, when a safety belt and a square hole of a hammer can be fished, and when external force is increased and the hammer cannot be lifted, because the impact pore-forming is generally a rock layer, when a hammer head enters the hole, a wheel angle at the bottom of the hammer is better, when the rock layer is impacted for a long time, the wheel angle around the hammer is abraded, and the hammer is easy to be jammed; when fishing, firstly, a fishing waistband is installed on the hammer head, and a fishing anti-slip strip is welded on the upper opening of the square hole below the hammer handle. Then adopt the calabash instrument to fix on rings 1 of this application, put into between the tup in the well and the wall of a well with this reaming instrument along the wall of a well, impact repeatedly around the tup, enlarge tup wall internal diameter all around, when the wall of a well enlarges to unable when with the tup chucking, the effect of dragging for the hammer is promoted to the rethread increase external force method.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (9)
1. The utility model provides a reaming instrument for drill bit well falling is salvaged which characterized in that includes weight bar (3) and fixes reaming board (4) in weight bar (3) bottom, wherein:
a connecting rod (2) is fixed at one end of the counterweight rod (3) far away from the orifice plate (4), and a hanging ring (1) is arranged at one end of the connecting rod (2) far away from the counterweight rod (3);
a clamping groove (8) is formed in one end, connected with the expanded pore plate (4), of the balance weight rod (3), and the top of the expanded pore plate (4) is clamped in the clamping groove (8).
2. A reaming tool for drill bit drop fishing according to claim 1, characterized in that: and reinforcing ribs (5) are symmetrically welded on the surface of one side of the hole expansion plate (4).
3. A reaming tool for drill bit drop fishing according to claim 1, characterized in that: two lifting lugs (6) are fixed on the top of the orifice plate (4) in a welding or integrated forming mode, and the two lifting lugs (6) are symmetrically arranged.
4. A reaming tool for drill bit drop fishing according to claim 3, characterized in that: the lifting lug (6) is connected with a rope (7), and the other end of the rope (7) is fixed on the lifting ring (1).
5. A reaming tool for drill bit drop fishing according to claim 1, characterized in that: the hole expansion plate (4) is fixedly connected with the counterweight rod (3) in a bolt connection or welding mode.
6. A reaming tool for drill bit drop fishing according to claim 1, characterized in that: the length of the counterweight rod (3) is 3-5 m, and the weight of the counterweight rod (3) is more than or equal to 1 ton.
7. A reaming tool for drill bit drop fishing according to claim 1, characterized in that: the counterweight rod (3) is of a round steel structure, and the diameter of the counterweight rod (3) is 16-20 cm.
8. A reaming tool for drill bit drop fishing according to claim 1, characterized in that: the hole expansion plate (4) is an iron plate, and the thickness of the hole expansion plate (4) is 3-5 cm.
9. A reaming tool for drill bit drop fishing according to claim 8, characterized in that: the width of the clamping groove (8) is equal to the thickness of the hole expansion plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922028445.1U CN210888805U (en) | 2019-11-21 | 2019-11-21 | A reaming instrument for drill bit well falling is salvaged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922028445.1U CN210888805U (en) | 2019-11-21 | 2019-11-21 | A reaming instrument for drill bit well falling is salvaged |
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| Publication Number | Publication Date |
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| CN210888805U true CN210888805U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922028445.1U Active CN210888805U (en) | 2019-11-21 | 2019-11-21 | A reaming instrument for drill bit well falling is salvaged |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779456A (en) * | 2020-07-29 | 2020-10-16 | 河南理工大学 | Steel cable for expanding drill bit |
-
2019
- 2019-11-21 CN CN201922028445.1U patent/CN210888805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779456A (en) * | 2020-07-29 | 2020-10-16 | 河南理工大学 | Steel cable for expanding drill bit |
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