CN220267623U - Deviation correcting and righting tool for drilling of down-the-hole hammer - Google Patents
Deviation correcting and righting tool for drilling of down-the-hole hammer Download PDFInfo
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- CN220267623U CN220267623U CN202321773878.XU CN202321773878U CN220267623U CN 220267623 U CN220267623 U CN 220267623U CN 202321773878 U CN202321773878 U CN 202321773878U CN 220267623 U CN220267623 U CN 220267623U
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- 238000005553 drilling Methods 0.000 title abstract description 25
- 238000000034 method Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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Abstract
The utility model discloses a down-the-hole hammer drilling deviation correcting and righting machine tool, which comprises a connecting part, an adjusting part and a control part, wherein the connecting part is connected with the down-the-hole hammer drilling deviation correcting and righting machine tool; wherein the connecting part is provided with a hollow channel, and the upper end of the connecting part is provided with a connecting pipe; the upper end of the adjusting part is hermetically and rotatably arranged in the inner cavity of the connecting part, the lower end of the adjusting part extends out of the connecting part, and a longitudinal through hole communicated with the hollow channel of the connecting part is formed in the adjusting part; the control part is arranged below the connecting part and is used for controlling the inclination angle of the adjusting part. The utility model has simple structure, is firm and is easy to connect and operate. When the device is in practical use, a deviation correcting and centralizing machine with the diameter slightly smaller than the hole diameter to be drilled is selected and connected between two drill rods, and as the deformation of the drill rods at the lower part can be concentrated on the lower swing rod, the lower swing rod generates larger deformation-swing, and the larger the swing quantity of the lower swing rod is, the larger the wedge-shaped slide block is pushed to move outwards, the larger the wedge-shaped slide block is moved outwards, the larger the reaction force pushing the hole wall is, namely the larger the force for maintaining the verticality of the drill rods is.
Description
Technical Field
The utility model relates to a down-the-hole hammer drilling construction technology, in particular to a down-the-hole hammer drilling deviation correcting and righting tool.
Background
The air down-the-hole hammer is a pneumatic impact tool taking compressed air as power, compressed air is directly transmitted to a power drill bit at the bottom of a hole through a drill rod to carry out high-frequency crushing impact on a hard rock body, and the air down-the-hole hammer has the advantages of high drilling efficiency, great cost reduction, good protection on the wall of the hole, small environmental pollution and the like, and is widely used in the hole drilling construction operation at present. However, when deep hole operation (hole depth is more than 300 m), the drill rod is adopted as a connecting tool in the drilling process, so that the total length is overlarge, particularly, the drill rod can be bent and deformed under the vertical pressure of the weight of the drill rod, the force transmitted to the drill bit can be offset after the bending and deformation of the drill rod, the drill bit can be drilled under the action of non-vertical force for a long time, the drill bit can be strongly drilled along the direction of the force to cause hole inclination, and the drilling failure is caused when the final hole inclination does not meet the technical requirement.
In order to ensure that the total slope of the hole forming meets the technical requirement, the correction and the centering are required to be carried out on the bending deformation part of the drill rod so as to ensure the verticality of the drill rod and ensure that the vertical stress of the drill bit is uniform in the process of drilling, so that the auxiliary tool capable of correcting and centering the drill rod in time in the drilling process is invented, and the final hole forming is ensured to meet the designed total slope requirement.
Disclosure of Invention
The utility model aims to provide a down-the-hole hammer drill drilling deviation correcting and righting machine tool which can correct and righting a drill rod which is bent in time so as to ensure that the total slope of a hole is in accordance with the design requirement.
In order to achieve the above purpose, the present utility model may adopt the following technical scheme:
the utility model relates to a down-the-hole hammer drilling deviation correcting and righting machine tool, which comprises a connecting part, an adjusting part and a control part; wherein the method comprises the steps of
The connecting part is provided with a hollow channel, and the upper end of the connecting part is provided with a connecting pipe;
the upper end of the adjusting part is hermetically and rotatably arranged in the inner cavity of the connecting part, the lower end of the adjusting part extends out of the connecting part, and a longitudinal through hole communicated with the hollow channel of the connecting part is formed in the adjusting part;
the control part is arranged below the connecting part and is used for controlling the inclination angle of the adjusting part.
The utility model provides a correct and right machines can lug connection between two drilling rods to can reciprocate along with the drilling rod in the downthehole, when flexible bending deformation appears in lower part drilling rod, utilize the device can in time rectify the drilling rod, guarantee the plumb degree of drilling rod, thereby guarantee that the total slope of pore-forming accords with the designing requirement.
Specifically:
the connecting part adopts a connecting seat with a cylindrical structure, and a spherical cavity is formed in the connecting seat;
the adjusting part of the adjusting device comprises a spherical rotating head and a lower swing rod which are integrally structured, wherein the spherical rotating head is arranged in the spherical cavity, and the spherical rotating head and the lower swing rod form minimum clearance fit, namely, the spherical rotating head can perform airtight rotation in any direction in the spherical cavity, so that the lower swing rod rotates and swings in any direction by taking the spherical rotating head as a supporting point.
The control part of the device is an annular groove with an outer opening and formed by surrounding an inner peripheral surface, an upper plane and a lower plane, the annular groove is divided into a plurality of fan-shaped cabins with the same size by a plurality of partition plates arranged at equal intervals, and a wedge-shaped sliding block with a return device is movably arranged in each fan-shaped cabin. When the wedge-shaped sliding block in the fan-shaped bin in a certain direction slides out, the lower swing rod can be driven to swing (incline) in the direction.
The return device that this application adopted includes along radially seting up at every wedge slider bottom central point put the spout and arrange in return spring in the spout, return spring's one end is fixed on the wedge slider, the other end with adjustment portion links firmly mutually. Other conventional mechanical arrangements may be employed for this adjustment purpose.
The utility model has the advantages of simple structure, firmness and easy connection and operation. When the device is in actual use, a deviation correcting and righting machine with the diameter slightly smaller than the hole diameter of a hole to be drilled is selected and connected between two drill rods (a connecting pipe is connected with the lower port of an upper drill rod, and a lower swing rod is connected with the upper port of a lower drill rod), because the deformation of the lower drill rod can be concentrated on the lower swing rod, the lower swing rod generates larger deformation-swing, the larger the swing quantity of the lower swing rod is, the larger the amplitude of pushing the wedge-shaped slide block to move outwards is, the larger the amplitude of pushing the wedge-shaped slide block is, the larger the reaction force for pushing the hole wall is, namely the larger the force for maintaining the verticality of the drill rod is; when the swing amplitude of the reverse lower swing rod is small, the drill rod has good verticality, and correction and centering of the drill rod are not needed.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a bottom view of fig. 1.
Fig. 3 is a state of use diagram of the present utility model.
Detailed Description
The present utility model will be described in more detail below with reference to the accompanying drawings, so as to facilitate understanding by those skilled in the art.
As shown in figure 1, the down-the-hole hammer drilling drill feeding correction centering machine comprises a connecting seat 1 with a cylindrical structure, wherein the connecting seat 1 is provided with a hollow channel, and a connecting pipe 2 is fixedly connected to the upper end of the connecting seat and is used for being connected with the lower port of an upper drill rod; a spherical cavity is formed in the inner cavity of the connecting seat 1, the spherical rotating head 3 is arranged in the spherical cavity, and the spherical rotating head 3 and the spherical cavity form minimum clearance fit, namely, the spherical rotating head 3 can perform airtight rotation in any direction in the spherical cavity, a lower swing rod 4 of an integrated structure with the spherical rotating head 3 extends out of the connecting seat from the lower part of the connecting seat 1, and longitudinal through holes communicated with hollow channels in the connecting seat are formed in the spherical rotating head 3 and the lower swing rod 4; the lower part of the connecting seat 1 is also provided with a control part for adjusting the inclination angle of the lower swing rod, the outer diameter of the control part is the same as that of the connecting seat 1, the control part can be directly fixed below the connecting seat 1 (can also be of an integrated structure with the connecting seat), and is an annular groove 5 with an outer opening and formed by the surrounding of an inner peripheral surface and an upper plane and a lower plane, as shown in fig. 2, the annular groove 5 is divided into eight fan-shaped bins 5.2 with the same size by eight partition plates 5.1 arranged at equal intervals, and a wedge-shaped slide block 6 with a return device is movably arranged in each fan-shaped bin (only the upper and lower fan-shaped bins are shown in the figure and are provided with wedge-shaped slide blocks); the return device that this application adopted includes along radially seting up at the spout of every wedge slider 6 bottom central point put and arranging in the return spring 7 in the spout, and the one end of return spring 7 is fixed on wedge slider, and the other end links firmly with the inner peripheral surface of ring channel 5. When the lower swing rod 4 swings obliquely, the wedge-shaped sliding block 6 slides outwards, and after the lower swing rod 4 straightens, the wedge-shaped sliding block 6 is pulled back into the fan-shaped bin under the action of the return spring 7.
When the down-the-hole hammer drills normally, a designer can estimate the maximum deformation and position of the drill rod according to the diameter, the connecting length, the material strength and the like of the drill rod, a correction and centralizing machine is arranged at the position, then the position is taken as a base point, and the next maximum deformation and position point are estimated by analogy until the vertical requirement of the drill rod is met.
When selecting this application machines, need be according to the aperture of designing the chisel hole, the principle is that the diameter of rectifying righting machines is not greater than the design aperture and has when guaranteeing the chisel hole effectively arrange sediment space can.
The use state of the utility model is as shown in fig. 3:
when deep hole drilling construction is carried out, the correction centering machine tool is adopted to connect between deformed drill rods according to actual needs: the connecting pipe 2 is connected with the lower port of the upper drill rod Z1, and the upper part of the drill rod Z1 is connected with a down-the-hole hammer device or the drill rod, and normal ventilation is ensured; the lower swing rod 4 is connected with the upper port of the lower drill rod Z2, the lower part of the bottommost drill rod is connected with a down-the-hole hammer working drill bit, and normal ventilation between the drill rod Z1 and the connecting pipe 2 and between the lower swing rod 4 and the lower drill rod Z2 is ensured;
starting down-the-hole hammer winch equipment, putting the correcting and centralizing tool, the well-connected drill rod and drill bit into a hole, starting drilling construction, suspending all equipment such as a down-the-hole hammer and the like when the correcting and centralizing tool is required to be additionally arranged in drilling a certain depth, putting the correcting and centralizing tool and the drill rod into the hole after being well connected according to the method, restarting equipment required by construction operation, and continuing to start drilling work until reaching the depth position requiring drilling.
Claims (4)
1. The utility model provides a down-the-hole hammer chisel bores to advance and rectifies machines, its characterized in that: comprising
The connecting part is provided with a connecting part,
an adjusting part, which is used for adjusting the position of the adjusting part,
a control unit; wherein the method comprises the steps of
The connecting part is provided with a hollow channel, and the upper end of the connecting part is provided with a connecting pipe;
the upper end of the adjusting part is hermetically and rotatably arranged in the inner cavity of the connecting part, the lower end of the adjusting part extends out of the connecting part, and a longitudinal through hole communicated with the hollow channel of the connecting part is formed in the adjusting part;
the control part is arranged below the connecting part and is used for controlling the inclination angle of the adjusting part.
2. The down-the-hole hammer drill feeding correction centralizer of claim 1, wherein: the connecting part is a connecting seat with a cylindrical structure, and a spherical cavity is formed in the connecting part; the adjusting part consists of a spherical rotating head and a lower swing rod which are integrally formed, wherein the spherical rotating head is arranged in the spherical cavity, and the spherical rotating head and the lower swing rod form minimum clearance fit.
3. The down-the-hole hammer drill feeding correction centralizer of claim 1, wherein: the control part is an annular groove with an opening at the outer side and formed by the inner peripheral surface, an upper plane and a lower plane, the annular groove is divided into a plurality of fan-shaped cabins with the same size by a plurality of partition plates which are arranged at equal intervals, and a wedge-shaped sliding block with a return device is movably arranged in each fan-shaped cabin.
4. A down-the-hole hammer drill feeding correction centralizer according to claim 3, wherein: the return device comprises a chute and a return spring, wherein the chute is radially arranged at the center of the bottom of each wedge-shaped sliding block, the return spring is arranged in the chute, one end of the return spring is fixed on the wedge-shaped sliding block, and the other end of the return spring is fixedly connected with the adjusting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321773878.XU CN220267623U (en) | 2023-07-07 | 2023-07-07 | Deviation correcting and righting tool for drilling of down-the-hole hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321773878.XU CN220267623U (en) | 2023-07-07 | 2023-07-07 | Deviation correcting and righting tool for drilling of down-the-hole hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220267623U true CN220267623U (en) | 2023-12-29 |
Family
ID=89306157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321773878.XU Active CN220267623U (en) | 2023-07-07 | 2023-07-07 | Deviation correcting and righting tool for drilling of down-the-hole hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220267623U (en) |
-
2023
- 2023-07-07 CN CN202321773878.XU patent/CN220267623U/en active Active
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